ArticleAMB Express2017
Osmotic stress in colony and planktonic cells of Pseudomonas putida mt-2 revealed significant differences in adaptive response mechanisms.
Article in AMB Express, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.
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Who cites it
13 citing papers in PubMed, 1 synthesis or guideline pooled it, 24 citations in OpenAlex.
- Effects of sublethal stress application on the survival of bacterial inoculants: a systematic review.Archives of microbiology · 2023Pooled it
- Ecological Stress Tolerance and Biofilm-Associated Persistence in Opportunistic Bacteria Isolated from Livestock Faeces.Pathogens (Basel, Switzerland) · 2026Article
- Machine learning-led semi-automated medium optimization reveals salt as key for flaviolin production in Pseudomonas putida.Communications biology · 2025Article
- High salt condition alters LPS synthesis and induces the emergence of drug resistance mutations inAntimicrobial agents and chemotherapy · 2024Article
- Untargeted Metabolomics Approach for the Discovery of Salinity-Related Alkaloids in a Stony Coral-Derived FungusInternational journal of molecular sciences · 2024Article
- Promastigote EPS secretion and haptomonad biofilm formation as evolutionary adaptations of trypanosomatid parasites for colonizing honeybee hosts.NPJ biofilms and microbiomes · 2024Article
- Water potential governs the effector specificity of the transcriptional regulator XylR of Pseudomonas putida.Environmental microbiology · 2023Article
- Effect of NaCl stress on exoproteome profiles ofFrontiers in microbiology · 2023Article
- Water Stress-Driven Changes in Bacterial Cell Surface Properties.Applied and environmental microbiology · 2022Article
- Role of the CrcB transporter of Pseudomonas putida in the multi-level stress response elicited by mineral fluoride.Environmental microbiology · 2022Article
- Article
- Article
- Immediate response mechanisms of Gram-negative solvent-tolerant bacteria to cope with environmental stress: cis-trans isomerization of unsaturated fatty acids and outer membrane vesicle secretion.Applied microbiology and biotechnology · 2018Review
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Planktonic cells and those grown on surfaces (or as colony biofilm) are known to show significant differences regarding growth behavior, cell physiology, gene expression and stress tolerance. In order to compare stress behavior of different growth forms, shake cultures for planktonic growth and agar plate cultivation for colony growth, were carried out with the well investigated model organism, Pseudomonas putida mt-2. Cells were exposed to sodium chloride to cause osmotic stress as one main environmental stressor bacteria have to cope with when growing in soil. Planktonic cells were more tolerant with a complete inhibition of growth at 0.7 M NaCl, compared to 0.5 M for agar-grown cells. Cell surface hydrophobicity, measured as water contact angles, was significantly higher for agar-grown cells (92°) than for planktonic cells (40°), and increased in the presence of NaCl. Agar-grown cells also showed a significantly higher degree of saturation of membrane fatty acids that increased in the presence of NaCl. These results demonstrate that planktonic and colony grown bacteria show different responses when confronted with osmotic stress suggesting that the tolerance and adaptive mechanisms are dependent on the environmental conditions as well as the initial physiological state.
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